vtkSmoothErrorMetric.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkSmoothErrorMetric.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkSmoothErrorMetric_h
#define __vtkSmoothErrorMetric_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkGenericSubdivisionErrorMetric.h"

class vtkGenericDataSet;

class VTKCOMMONDATAMODEL_EXPORT vtkSmoothErrorMetric : public vtkGenericSubdivisionErrorMetric
{
public:
  static vtkSmoothErrorMetric *New();


  vtkTypeMacro(vtkSmoothErrorMetric,vtkGenericSubdivisionErrorMetric);
  void PrintSelf(ostream& os, vtkIndent indent);

  double GetAngleTolerance();

  void SetAngleTolerance(double value);


  int RequiresEdgeSubdivision(double *leftPoint, double *midPoint,
                              double *rightPoint, double alpha);


  double GetError(double *leftPoint, double *midPoint, double *rightPoint,
                  double alpha);

protected:
  vtkSmoothErrorMetric();
  virtual ~vtkSmoothErrorMetric();

  double AngleTolerance;
  double CosTolerance;

private:
  vtkSmoothErrorMetric(const vtkSmoothErrorMetric&);  // Not implemented.
  void operator=(const vtkSmoothErrorMetric&);  // Not implemented.
};

#endif